3CX Phone System
3CX · current 20.0.9.995
The current version of 3CX Phone System is 20.0.9.995 (as of 21/07/2026). patchletter checks the official source daily and emails you every new release.
3CX Phone System at a glance
3CX is a software-based PBX and unified-communications platform, common in SMBs. 3CX ships regular updates plus security fixes; as an internet-facing communications system — and following a notable supply-chain incident — timely patching and careful hardening matter.
For admins the update path runs through the 3CX management console; take a backup before larger updates and read the release notes. Because the system is reachable from the internet (SIP, web client, provisioning), keep it patched, restrict management access, and follow 3CX's security guidance (firewall rules, allowed IPs, secure SIP). Verify trunks, extensions and the web client after updates. Watch the version and its support status, and subscribe to 3CX security notices so critical updates aren't missed.
Version history & changelog · as detected by patchletter
| Version | Channel | Date | Notes |
|---|---|---|---|
| 20.0.9.995 | STABLE | 21/07/2026 | Release notes → |
| V20 Update 10 | STABLE | 30/07/2026 | Release notes → |
| V20 Update 9 | STABLE | 16/06/2026 | Release notes → |
| V5 | STABLE | 27/07/2026 | Release notes → |
Frequently asked questions
- What is the latest version of 3CX Phone System?
- 3CX Phone System 20.0.9.995, released 21/07/2026. patchletter checks the vendor's official source daily for new releases.
- Where can I find the 3CX Phone System release notes?
- The version history above links to the vendor's official release notes where the vendor publishes them. patchletter deliberately stores no vendor full texts.
- How do I get notified about new 3CX Phone System updates?
- Free by email: patchletter reports every new release — instantly or bundled as a digest. Unsubscribe anytime with one click.
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[](https://patchletter.com/en/software/3cx)https://patchletter.com/badge/3cx.svgAlso available: ?v=eol (end of support) and ?v=cve (actively exploited).
